Answer:
A substance that is more dense per volume has more mass per volume. ...
Explanation:
Thus, sound will travel at a slower rate in the more dense object if they have the same elastic properties.
Asexual reproduction only requires one organism. It is normally faster and that’s how organisms make more in a short amount of time. Sexual reproduction uses 2 organisms and it gives the baby more diversity so it can adapt to the environment.
Answer:
How is the endocrine system related to the nervous system in terms of its regulatory activity?
For one, the endocrine system uses chemical signaling (hormones, produced by glands) while the nervous system uses electrical signaling (neural impulses). The signal transmission of the nervous system is fast because neurons are interconnected, but the functions are more short-lived.
Explanation:
Answer:
The biologist is studying about the ecological community.
Explanation:
The ecological community refers to the community in which population of different types of species survives together. As the biologist is observing about the interaction of different populations of Pennsylvania region, it can be inferred that the he is studying about the ecological community of Pennsylvania region.
The population surving in the community interact with each other through different modes of interaction. It may either parasitic, or mutual, or competitive or predication or commercialism.
